There are many different hotels in Cambridge, do you have an area or price range in mind?
Is there anything in the south with a star of 4? It doesn't have to have free parking.
hotel-area hotel-parking hotel-stars train-day train-departure train-destination train-leaveat train-people
hotel-area hotel-parking hotel-stars train-day train-departure train-destination train-leaveat train-people
hotel-area hotel-parking hotel-stars train-day train-departure train-destination train-leaveat train-people
hotel-area hotel-parking hotel-stars train-day train-departure train-destination train-leaveat train-people